TDA4916GG Datasheet, PDF (16/27 Pages) Siemens Semiconductor Group – SMPS-IC with MOSFET Driver Output

TDA 4916 GG
Characteristics (cont’d)
V_Son < V_S < 15 V, – 25 °C < T_A < 85 °C; V_Son means that V_S has exceeded V_SH, but has
not gone below V_SL.
Parameter
Symbol
Limit Values
Unit Test Condition
min. typ. max.
Soft Start C_SS
Charging current – I_ch
4
at C_SS
5
8
µA
Discharge current at I_dis
C_SS
0.8
1.5 3.0 µA
Upper clamping
V_SSH
4.4
4.8 5.2 V
voltage
Difference
V_DSS
0.1
V
V_CRH – V_SSH
Switching voltage of V_K2
K2
1.1
1.4 1.7 V
V_CRH – V_SSH
Pulse Omission PO
Charging current at
PO int.
Charging current at
PO ext.
Voltage at – K7
– I_ch
I_ch
V_{– K7}
Upper clamping
voltage at + K7
Minimum voltage
applied to PO
V_POH
V_POM
4
6
9
µA
1
mA
V_S/3
–5%
V_-K7
+ 0.2
1
V_S/3 V_S/3 V
+5%
V_-K7
V_-K7
V
+ 0.7 + 1.2
V
0 mA < I_PO < 1 mA
Synchronization
Input I SYN
I_{I SYN}
– 70
200 µA
Switching threshold
at I SYN
Open
Rising edge
Falling edge
V_{I SYNO} 1.5
V_{I SYNR}
2.5
V_{I SYNF}
1.0
2.7 3.5 V
3.4 4.0 V
2.0 3.0 V
0 V< V_{I SYN} < 4.5 V
Semiconductor Group
16
05.96